How to Glow Up: The Science-Backed Guide (Diet, Sleep, Skin)
A real glow up starts inside: the right foods raised skin carotenoid levels in 6 weeks. Science-backed steps for diet, sleep, hydration, and skincare.
Best Foods for Oily Skin: What to Eat and Avoid - Glowcast
The 6 foods that dial down sebum production - plus 4 to cut. Low-glycemic diet, omega-3s, and zinc all have clinical evidence. Dermatology-backed guide.
How to Find Your Skin Type: The Definitive Guide (2026)
63% of women misidentify their skin type. Learn the blot test, the bare-face method, and what oily, dry, combination, and normal skin actually mean for your diet.
The Glow-Up Diet: What to Eat for Radiant Skin (Science-Backed)
The glow-up diet decoded: 6 food categories that drive skin radiance. Carotenoid-rich produce changed skin tone in 6 weeks. See the full evidence-based plan.
Foods for Glowing Clear Skin: The Science-Backed Guide (2026)
The same anti-inflammatory, low-glycemic foods that stop breakouts also produce the glow. 6 mechanisms, real clinical evidence, and a practical eating plan.
Foods for Glowing, Hydrated Skin: The Science-Backed Guide (2026)
7 foods that genuinely hydrate skin from within. Omega-3 RCTs show measurable TEWL reduction in 12 weeks. See the mechanisms and the meal strategy here.
Anti-Inflammatory Diet for Acne: What to Eat and Avoid
Chronic inflammation drives acne at every stage. A Mediterranean-style anti-inflammatory diet reduced acne lesions by 54% in one trial. Here's exactly what to eat an
Best Acne Food Tracker App: What Actually Works
An acne food tracker app can map your personal food triggers in 14 days. See what features matter, what to skip, and how GlowCast's Glow Score does it differently.
Probiotics for Acne: Which Strains Actually Work (and What the Evidence Says)
15 RCTs and 811 participants later, here's what the science says about probiotics for acne: the strains that reduce lesions, the mechanism behind it, and what to tak
Foods That Cause Cystic Acne: The Worst Offenders (Science-Backed)
Dairy, high-glycemic carbs, whey protein, and an omega-6-heavy diet are the foods most linked to cystic acne. See the clinical evidence and what to swap.
Low Glycemic Diet for Acne: The Evidence-Based Guide
A low-glycemic diet cuts acne lesion counts by up to 51% in clinical trials. Learn the insulin-IGF-1-sebum mechanism, the best low-GI food swaps, and how to start to
The Gut-Skin Axis and Acne: How Your Microbiome Drives Breakouts
In 2024, Mendelian randomization confirmed 4 gut microbes causally linked to acne. Learn the gut-skin axis mechanism — leaky gut, LPS, SIBO — and which foods restore
Does Sugar Cause Acne? Glycation, Insulin & What the Research Says
Sugar triggers acne through two proven mechanisms: an insulin spike that ramps up sebum in hours, and glycation that degrades collagen over months. Here's the eviden
Best Foods for Clear Skin: The Science-Backed Guide (2026)
Discover 7 foods dermatologists link to clearer skin. Low-glycemic diet cut acne lesions nearly twice as fast in a clinical trial. See the full evidence here.
Foods That Cause Breakouts: What the Research Shows
Discover which foods cause breakouts - from high-glycemic carbs to dairy and whey protein. Backed by JAMA Dermatology and clinical trial data. 7 min read.
The Hormonal Acne Diet: What to Eat and Avoid
Hormonal acne is driven by insulin, IGF-1, and androgen spikes. A low-glycemic diet cut lesion counts by nearly 50% in clinical trials. Here's exactly what to eat an
Skin Science · Food & Nutrition
Does Dairy Cause Acne? What Dermatologists Actually Say
Three Harvard cohort studies link skim milk to a 30-44% higher acne risk. Here's the IGF-1 mechanism, who's most affected, and what to swap.
Skin Science · Food & Nutrition
Does Whey Protein Cause Acne? What the Science Actually Says
47% of acne patients in a 2024 study used whey protein vs 27.7% of controls. Here's the IGF-1 mechanism, who's most at risk, and which protein swaps won't break you out.
Does Oat Milk Cause Acne? The Science Behind the Trend
Oat milk skips dairy's hormones but carries a glycemic index of ~69 - high enough to spike insulin and IGF-1, the pathway that drives sebum overproduction. Here's what the research actually shows.